Phenylpyrazolecarboxylic acid derivative preparation

ABSTRACT

Compounds of the formula I ##STR1## in which R denotes halogen, hydroxyl, cyano, nitro, (substituted) alkyl, (substituted) alkoxy, (halo)alkylthio, carboxyl, alkoxycarbonyl; (halo)alkylsulf(inyl) (onyl) or -(onyloxy); (halo)phenyl or (halo)phenoxy; X in the 3- or 5-position denotes a (thio)carboxylic acid--or an optionally heterocyclic radical which is derived therefrom; Y denotes halogen, m denotes the number 0 or 1, and n denotes a number from 0 to 5, have valuable plant growth-regulating properties and are suitable, in addition, as safeners for protecting crop plants against phytotoxic side effects of herbicides.

This application is a division of application Ser. No. 07/104,820, filed Oct. 2, 1987 now U.S. Pat. No. 4,891,057.

DESCRIPTION

Phenylaminopyrazoles having a herbicidal action have been disclosed, for example by EP-A 138,149.

Novel phenylpyrazolecarboxylic acid derivatives have been found which have surprisingly excellent plant growth-regulating properties and, in addition, reduce phytotoxic side effects of herbicides on crop plants.

The present invention therefore relates to compounds of the formula I ##STR2## in which

R, in each case independently of one another, denote halogen, hydroxyl, cyano, nitro, (C₁ -C₄)alkyl, halo(C₁ -C₄)alkyl, (C₁ -C₄)alkoxy(C₁ -C₄)alkyl, (C₁ -C₆)-alkoxy, (C₁ -C₆)alkoxy(C₁ -C₄)alkoxy, halo(C₁ -C₆)alkoxy, (C₁ -C₄)alkylthio, halo(C₁ -C₄)alkylthio, carboxyl, (C₁ -C₄)alkoxycarbonyl, (C₁ -C₄)alkylsulfinyl, halo(C₁ -C₄)alkylsulfinyl, (C₁ -C₄)alkylsulfonyl, halo(C₁ -C₄)alkylsulfonyl, (C₁ -C₄)alkylsulfonyloxy, halo(C₁ -C₄)alkylsulfonyloxy, phenyl, halophenyl, phenoxy or halophenoxy,

X is oriented in the 3- or 5-position of the pyrazole ring and denotes a radical of the formula ##STR3##

Y denotes halogen,

Z denotes O or S,

U denotes O, S or N--R⁶,

R¹ denotes hydrogen, (C₁ -C₁₂)alkyl, (C₁ -C₁₂)alkyl which is monosubstituted or polysubstituted by halogen and/or monosubstituted or disubstituted by hydroxyl, (C₁ -C₆)alkoxy, (C₁ -C₄)alkoxy-(C₁ -C₄)alkoxy, (C₁ -C₄)alkylthio, (C₁ -C₄)alkylsulfinyl, (C₁ -C₄)-alkylsulfonyl, mono- or di-(C₁ -C₄ -alkyl)amino, cyano, aminocarbonyl, (C₁ -C₄)alkylcarbonyl, (C₁ -C₄ -alkoxy)carbonyl, cyclo(C₃ -C₇)alkyl, tri(C₁ -C₄)alkylsilyl, benzyloxy, benzyloxyethoxy, phenyl, phenyl which is substituted by halogen or (C₁ -C₄)alkyl, phenoxy or phenylthio which both are unsubstituted or substituted by halogen or (C₁ -C₄)alkyl; by oxiranyl, tetrahydrofuryl, triazolyl, pyridinyl, imidazolyl, carboxyl, carboxylate with a cation which can be employed for agriculture, or the --O--N═C(CH₃)₂ radical; or denotes (C₃ -C₆)-alkenyl, halo(C₃ -C₆)alkenyl, cyclo(C₃ -C₇)alkyl which is unsubstituted or substituted by halogen or (C₁ -C₄)-alkyl; cyclo(C₅ -C₇)alkenyl which is unsubstituted or substituted by halogen or (C₁ -C₄)alkyl; or denotes (C₃ -C₆)-alkynyl, 1,2-epoxyprop-3-yl, phenyl or phenyl which is monosubstituted or disubstituted by halogen, nitro, cyano, (C₁ -C₄)alkyl, (C₁ -C₄ -alkoxy)carbonyl or (C₁ -C₄)alkoxy; or denotes (C₁ -C₄ -alkyl)carbonyl, phenylcarbonyl with a phenyl ring which is unsubstituted or substituted by halogen, nitro, cyano or (C₁ -C₄)alkyl; or denotes a radical of the formula ##STR4## or a cation which can be employed for agriculture,

R² denotes (C₁ -C₁₂)alkyl or (C₁ -C₁₂)alkyl which is monosubstituted or disubstituted by (C₁ -C₄)alkoxyethoxy, cyclo(C₃ -C₆)alkyl, benzyloxy, phenyl, phenoxy, (C₁ -C₄)alkylthio, (C₁ -C₄ -alkoxy)carbonyl, carboxyl or carboxylate with a cation which can be employed for agriculture,

R³, in each case independently of one another, denote (C₁ -C₆)alkyl, phenyl or (C₃ -C₆)alkenyl,

R⁴ denotes hydrogen, (C₁ -C₁₂)alkyl or (C₁ -C₁₂)alkyl which is monosubstituted or disubstituted by (C₁ -C₆)alkoxy, (C₁ -C₄)alkoxyethoxy, hydroxyl, hydroxyimino, (C₁ -C₄)alkoxyimino, halogen, cyclo(C₃ -C₆)alkyl, benzyloxy, cyano, aminocarbonyl, carboxyl, (C₁ -C₄ -alkoxy)carbonyl, formyl, phenyl or phenoxy, or denotes phenyl or phenyl which is monosubstituted or disubstituted by halogen, nitro, cyano, (C₁ -C₄)alkyl or (C₁ -C₄)alkoxy; or denotes (C₃ -C₆)alkenyl, (C₃ -C₆)cycloalkyl, or a radical of the formula --NR³ R¹², --O--R⁶, --NH--CONH₂, --NH--CS--NH₂ or --SO₂ R¹³ or

R³ and R⁴, together with the nitrogen atom to which they are bound, denote a saturated or unsaturated, three- to seven-membered ring which can be benzo-fused and which contains up to three heteroatoms from the group comprising O, N or S and is unsubstituted or substituted by (C₁ -C₄)alkyl or halogen and can contain a carbonyl group,

R⁵ denotes H, (C₁ -C₆)alkyl or phenyl, or in the case where X=--CS--OR⁵, denotes a cation which can be employed for agriculture,

R⁶, in each case independently of one another, denote H, (C₁ -C₄)alkyl or benzyl,

R⁷, in each case independently of one another, denote H, (C₁ -C₁₂)alkyl which is unsubstituted or substituted by phenyl which is unsubstituted or substituted by halogen, nitro, cyano, (C₁ -C₄)alkyl or (C₁ -C₄)alkoxy, by hydroxyl, cyano, (C₁ -C₄ -alkoxy)carbonyl, (C₁ -C₄)-alkylthio, (C₁ -C₄)alkoxy, cyclo(C₅ -C₇)alkyl or benzyloxy, or denote (C₃ -C₆)alkenyl, halo(C₃ -C₆)alkenyl, (C₃ -C₆)alkynyl, cyclo(C₅ -C₈)alkyl, cyclo(C₅ -C₆)-alkenyl, (C₁ -C₆ -alkyl)carbonyl, halo(C₁ -C₆ -alkyl)carbonyl, [(C₁ -C₆ -alkyl)amino]carbonyl, benzoyl, halobenzoyl or methylbenzoyl,

R⁸, in each case independently of one another, denote (C₁ -C₆)alkyl which is unsubstituted or substituted by phenyl, cyclo(C₅ -C₇)alkyl, (C₁ -C₄)alkoxy, (C₁ -C₄)alkylthio or halogen, or two radicals R⁸, together with Z and the carbon atom to which they are bound, denote a 5- or 6-membered saturated heterocyclic ring which is unsubstituted or substituted by (C₁ -C₄)-alkyl, hydroxy(C₁ -C₄)alkyl, halo(C₁ -C₄)alkyl or phenyl;

R⁹, in each case independently of one another, denote H, halogen, (C₁ -C₄)alkyl, nitro or cyano,

R¹⁰, in each case independently of one another, denote H, (C₁ -C₆)alkyl which is unsubstituted or substituted by (C₁ -C₄)alkoxy, triazolyl or imidazolyl; or denote cyclo(C₃ -C₆)alkyl, (C₃ -C₆)alkenyl, phenyl or benzyl, or in the radical --N═C(R¹⁰)₂ both radicals R¹⁰, together with the carbon atom to which they are bound, denote a cyclo(C₅ -C₇)alkyl which is unsubstituted or substituted by methyl or halogen,

R¹¹ denotes (C₁ -C₄)alkyl, phenyl, (C₁ -C₆ -alkyl)-carbonyl, benzyl, benzoyl, halobenzyl, halobenzoyl or methylbenzoyl,

R¹² denotes H, (C₁ -C₄)alkyl, formyl, (C₁ -C₆ -alkyl)-carbonyl, benzoyl, halobenzoyl, methylbenzoyl or trihaloacetyl,

R¹³ denotes (C₁ -C₄)alkyl, phenyl or methylphenyl,

m denotes 0 or 1,

n denotes an integer from 0 to 5, in particular from 1 to 3,

p denotes an integer from 0 to 4, in particular from 0 to 2, and

q denotes an integer from 0 to 6, in particular from 0 to 3,

and the salts and quaternization products thereof which are acceptable for agricultural purposes.

The salt formation or quaternization here occurs on the basic nitrogen atom of the pyrazole ring. Salt formation or quaternization is not possible when R¹ or R⁵ denotes a cation or R, R¹ or R² contains a carboxylate group.

Preferred compounds of the formula I are, in particular, those in which R denotes halogen, (C₁ -C₄)alkyl, halo(C₁ -C₄)alkyl or (C₁ -C₄)alkoxy; X denotes CN, --COOR¹, CO--SR² or --CONR³ R⁴ ; Y denotes halogen; R¹ and R² denotes H, (C₁ -C₄)alkyl, (C₂ -C₄)alkenyl, (C₂ -C₄)alkynyl, (C₁ -C₄)alkoxy-(C₁ -C₄)alkyl or a cation; R³ and R⁴ denote H or (C₁ -C₄)alkyl, m denotes 0 or 1, and n denotes 1 to 3. Compounds where R_(n) =2,6-dialkyl, mono- or di-halo or mono-trifluoromethyl are of particular interest here.

The radical Y is oriented, in particular, in the 4-position of the pyrazole ring.

Halogen is taken to mean F, Cl, Br or I, in particular F, Cl or Br.

Halo(C₁ -C₄)alkyl contains 1 to 5, in particular 1 to 3, chlorine or fluorine atoms; the CF₃ radical is preferred.

Halogenated (C₁ -C₁₂)alkyl contains, in particular, 1 to 13 chlorine or fluorine atoms; this includes, for example, the 2,2,2-trichloroethyl, 4-chlorobutyl, 2,2,2-trifluoroethyl, 1,1,1,3,3,3-hexafluoroprop-2-yl, 2,2,3,4,-4,4-hexafluorobutyl and 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooct-1-yl radicals.

Halo(C₁ -C₆)alkylthio, halo(C₁ -C₄)alkylsulfinyl, halo(C₁ -C₄)alkylsulfonyl and halo(C₁ -C₄)alkylsulfonyloxy in each case contain, in particular, 1 to 9 chlorine or fluorine atoms; halogenated (C₃ -C₆)alkenyl contains, in particular, 1 to 3 chlorine or fluorine atoms.

Halophenyl, halobenzyl and halobenzoyl contain, in particular, 1 to 3 fluorine, chlorine or bromine atoms.

Trihaloacetyl is taken to mean, in particular, trichloroacetyl and trifluoroacetyl.

In the case where the --NR³ R⁴ radical (for X=CO--NR³ R⁴) forms a heterocyclic ring, this is taken to mean, for example, piperidine, morpholine, 2,6-dimethylmorpholine, piperazine, triazole, imidazole, pyrazole, thiazole and benzimidazole.

In the case where, in the substituents listed--in addition to the pyrazole ring--further basic nitrogen atoms occur, multiple salt formation or quaternization is also possible.

All inorganic or organic acids which are capable, as a consequence of their pKs value, of salt formation, for example hydrohalic acids, nitric acid, sulfuric acid, phosphoric acid, phosphonic acids, sulfonic acids, haloacetic acids or oxalic acid, are suitable for preparing the salts.

Quaternization products are taken to mean the products of the reaction of alkyl, alkylthioalkyl, alkoxyalkyl, in particular (C₁ -C₆)alkyl and phenylacyl, optionally substituted, in particular halogenated, in the phenyl radical, halides. The quaternization products of the compounds of the formula I are prepared by generally conventional methods.

Possible cations for R¹, R² or R⁵ which can be employed in agriculture are metallic cations, for example alkali metal or alkaline-earth metal cations, such as Na, K or Mg, or organic cations, such as organically substituted ammonium, organically substituted phosphonium, sulfonium or sulfoxonium, or other nitrogen cations.

Organically substituted ammonium denotes primary, secondary, tertiary or quaternary, aliphatic, aromatic or heteroaromatic ammonium which may contain 1 to three nitrogen atoms. The nitrogen atoms of the amine can in this case also be part of a cyclic system. Examples of such ammonium salts which may be mentioned are: mono-, di-, tri- or tetra[(C₁ -C₆)alkyl]ammonium, such as isopropylammonium, butylammonium, stearylammonium or triethylammonium, mono-, di- or tri[(C₁ -C₄)alkoxy(C₁ -C₄)-alkyl]ammonium or mono-, di-, or tri[(C₁ -C₆)alkanol]-ammonium, such as methoxyethylammonium, methoxypropylammonium, triethanolammonium or tripropanolammonium, or ammonium compounds containing mixed radicals, such as tert.-butyldiethanolammonium, triethylbenzylammonium, hydroxyethyltrimethylammonium or chloroethyltrimethylammonium, or allylammonium, diallylammonium, cyclohexylammonium, menthanylammonium, aminoethylammonium, ethylenediammonium, benzohydrylammonium, pyrrolidinium, morphilinium, 3-pyridylammonium, piperidinium or piperazinium, or an ammonium which is derived from an amino acid or its ester, such as [NH₃ --CH₂ --COOCH₃ ]⁺.

Organically substituted phosphonium, organic sulfonium or organic sulfoxonium contain aliphatic or arylaliphatic radicals as specified for ammonium.

Other nitrogen cations are, for example, hydrazonium, hydroxylammonium, guanidinium and aminoguanidinium, or the substitution products thereof.

The invention furthermore relates to a process for the preparation of the compounds of the formula I, wherein a compound of the formula II ##STR5## in which R¹⁴ denotes (C₁ -C₆)alkyl, is reacted with a compound of the formula III ##STR6## and is subsequently derivatized, if appropriate.

The process is carried out at 0° to 120° C. in an organic solvent, if appropriate in the presence of an organic acid, such as p-toluenesulfonic acid or methanesulfonic acid. Solvents which can be employed are polar compounds, such as alcohols, for example ethanol or methanol, organic acids, such as glacial acetic acid, chlorinated hydrocarbons, such as dichloroethane, or aromatic solvents, such as toluene or xylene.

During the reaction, compounds of the formulae IVa and IVb ##STR7## are produced as intermediates. These intermediates can be isolated and subsequently cyclized under the conditions described above. In the direct further reaction, mixtures of the compounds of the formula I, i.e. the compounds of the formulae Ia and Ib, are generally obtained alongside one another. ##STR8##

The compounds of the formulae (Ia) and (Ib) can be derivatized by conventional processes at the --COOR¹ group or by halogenating the pyrazole radical.

Thus, the pyrazoles of the formulae Ia and Ib can be halogenated at the 4-position of the pyrazole radical under conventional aromatic halogenation conditions, see Houben-Weyl, Methoden der organischen Chemie [Methods of Organic Chemistry], volume 5/3, pp. 503 ff, volume 5/4, pp. 13 ff (1962). For derivatization, the --COOR¹ radical is furthermore converted in a known fashion into other radicals mentioned for X, for example by saponification, esterification, transesterification, amidation, saltformation etc., as described, for example, in German Offenlegungsschriften 3,444,918 and 3,442,690, or saltformation or quaternization takes place in a conventional fashion on the basic nitrogen atom of the pyrazole ring.

The starting compounds of the formula II can be obtained by reaction of the compounds of the formula V with compounds of the formula VI ##STR9## in the presence of an organic auxiliary base (literature: Chem. Ber. 115, pp. 2766-2782 (1982)). R¹⁵ denotes a leaving group, such as Cl, Br or OSO₂ CF₃.

Auxiliary bases which can be employed are organic amines, such as triethylamine or pyridine. The process can be carried out between -20° and +30° C. The compounds of the formula II obtained can be further reacted directly without work-up. The starting compounds of the formula III can be prepared by conventional processes, see Houben-Weyl, Methoden der organischen Chemie [Methods of Organic Chemistry], vol. 10/2, p. 169 (1967).

The invention furthermore relates to the use of the compounds of the formula I as plant-growth regulators. Typical growth-regulating effects can be achieved using the compounds according to the invention. The compounds have a regulating effect on the plant's inherent metabolism and can thus be employed for influencing plant substances in a specific fashion and for simplifying harvesting, such as for initiating desiccation and inhibiting growth. In addition, they are suitable for general control and inhibition of undesired vegetative growth without at the same time killing the plants. Inhibition of vegetative growth plays an important part in many monocotyledon and dicotyledon crops since lodging can thereby be reduced or completely prevented. The growth-regulating activity of the compounds as growth inhibitors in cereals, corn, soybean, tobacco, cotton, field beans, rape, rice, sunflowers and grass, and their ability to increase the content of desired substances such as carbohydrates (for example sugar cane or millet crops) and protein in the case of crop plants should be particularly emphasized. Finally, the compounds exhibit a very great improvement in fruit abscission, in particular in citrus fruit.

A further solution of the object set are also plant growth-regulating agents which are distinguished by an active content of at least one of the compounds according to the invention. The application rate of the compounds of the formula I is generally 0.02 to 2.5 kg of active ingredient per ha, preferably 0.05 to 1.5 kg/ha. In practical use, the compounds according to the invention can also be advantageously combined, if desired, with known growth regulators or natural or vegetative hormones.

The invention furthermore relates to the use of the compounds of the formula I as safeners. Thus, it has been found that they reduce or completely prevent phytotoxic side effects of plant-protection agents, in particular herbicides, when used in crops of useful plants.

The compounds of the formula I can be applied together with other herbicides, and are then capable of antagonizing or completely neutralizing damaging side effects of these herbicides without impairing the herbicidal activity of these herbicides against weeds. This allows the area of application of conventional plant-protection agents to be very considerably widened. Such compounds, which have the property of protecting crop plants against phytotoxic damage by herbicides, are known as antidotes or "safeners". Herbicides whose phytotoxic side effects can be reduced by means of the compounds of the formula I are, for example, carbamates, thiocarbamates, haloacetanilides, substituted phenoxy-, naphthoxy- and phenoxyphenoxycarboxylic acid derivatives and also heteroaryloxyphenoxycarboxylic acid derivatives, such as quinolyoxy-, quinoxalyloxy-, pyridyloxy-, benzoxazolyloxy- and benzothiazolyloxyphenoxycarboxylic acid esters, and furthermore dimedone oxime derivatives. Of these, phenoxyphenoxy- and heteroaryloxyphenoxycarboxylic acid esters are preferred. Suitable esters here are, in particular, lower alkyl, alkenyl and alkynyl esters.

The following herbicides may be mentioned as examples, without representing a limitation thereby:

A) Herbicides of the (C₁ -C₄)alkyl, (C₂ -C₄)alkenyl and (C₃ -C₄)alkynyl phenoxyphenoxy- and heteroaryloxyphenoxycarboxylates, such as

methyl 2-(4-(2,4-dichlorophenoxy)-phenoxy)-propionate,

methyl 2-(4-(4-bromo-2-chlorophenoxy)-phenoxy)-propionate,

methyl 2-(4-(4-trifluoromethylphenoxy)-phenoxy)-propionate,

methyl 2-(4-(2-chloro-4-trifluoromethylphenoxy)-phenoxy)-propionate,

methyl 2-(4-(2,4-dichlorobenzyl)-phenoxy)-propionate,

ethyl 4-(4-(4-trifluoromethylphenoxy)-phenoxy)-pent-2-enoate,

ethyl 2-(4-(3,5-dichloropyridyl-2-oxy)-phenoxy)-propionate,

propargyl 2-(4-(3,5-dichloropyridyl-2-oxy)-phenoxy)-propionate,

trimethylsilylmethyl 2-(4-(3,5-dichloropyridyl-2-oxy)-phenoxy)-propionate,

ethyl 2-(4-(6-chlorobenzoxazol-2-yloxy)-phenoxy)-propionate,

ethyl 2-(4-(6-chlorobenzothiazol-2-yloxy)-phenoxy)-propionate,

methyl 2-(4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)-phenoxy)-propionate,

ethyl 2-(4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)-phenoxy)-propionate,

butyl 2-(4-(5-trifluoromethyl-2-pyridyloxy)-phenoxy)-propionate,

ethyl 2-(4-(6-chloro-2-quinoxalyloxy)-phenoxy)-propionate,

ethyl 2-(4-(6-fluoro-2-quinoxalyloxy)-phenoxy)-propionate, and

ethyl 2-(4-(6-chloro-2-quinolyloxy)-phenoxy)propionate,

B) chloroacetanilide herbicides, such as

N-methoxymethyl-2,6-diethylchloroacetanilide,

N-(3'-methoxyprop-2'-yl)-methyl-6-ethylchloroacetanilide, and

N-(3-methyl-1,2,4-oxadiazol-5-ylmethyl)-2,6-chloroacetanilide,

C) thiocarbamates, such as

S-ethyl N,N-dipropylthiocarbamate or

S-ethyl N,N-diisobutylthiocarbamate,

D) dimedone derivatives, such as

2-(N-ethoxybutyrimidoyl)-5-(2-ethylthiopropyl)-3-hydroxy-2-cyclohexen-1-one

2-(N-ethoxybutyrimidoyl)-5-(2-phenylthiopropyl)-3-hydroxy-2-cyclohexen-1-one,

2-(1-allyloxyiminobutyl)-4-methoxycarbonyl-5,5'-dimethyl-3-oxocyclohexenol,

2-(N-ethoxypropionamidoyl)-5-mesityl-3-hydroxy-2-cyclohexen-1-one, and

2-(N-ethoxybutyrimidoyl)-3-hydroxy-5-(thian-3-yl)-2-cyclohexen-1-one.

The safener:herbicide amount ratio can vary within broad limits, in the range between 1:10 and 10:1, in particular between 2:1 and 1:10. The ideal amounts of each of herbicide and safener depend on the type of herbicide or safener used and on the species of the plant crop to be treated, and can be determined from case to case by appropriate trials.

The major areas of application for the use of safeners are, above all, cereal crops (wheat, rye, barley and oats), rice, corn, sorghum, but also cotton, sugar beet, sugar cane and soybean.

Depending on their properties, the safeners of the formula I can be used for pretreatment of the seed of the crop plant (seed dressing), introduced into the seed drills before sowing, or applied together with the herbicide before or after emergence of the plant. Pre-emergence treatment includes treatment of the cultivated area before sowing and treatment of sown cultivated areas, but before growth has occurred. For this purpose, tank mixes or ready formulations can be employed.

The present invention therefore also relates to a process for protecting crop plants against phytotoxic side effects of herbicides, wherein an effective amount of a compound of the formula I is applied before, after or at the same time as the herbicide.

The compounds of the formula I according to the invention can be applied in conventional formulations, if appropriate mixed with further active components or also together with a herbicide, as wettable powders, emulsifiable concentrates, sprayable solutions, dusts, dressings, dispersions, granules or microgranules.

Wettable powders are preparations which are uniformly dispersible in water and which contain, besides the active ingredient and, if appropriate, in addition to a diluent or inert substance, wetting agents, for example polyoxyethylated alkylphenoles, polyoxyethylated fatty alcohols or alkyl- or alkylphenylsulfonates, and dispersants, for example sodium ligninsulfonate, sodium 2,2'-dinaphthylmethane-6,6'-disulfonates, sodium dibutylnaphthalenesulfonate or sodium oleoylmethyltaurinate. They are prepared in a conventional fashion, for example by grinding and mixing the components.

Emulsifiable concentrates can be prepared, for example, by dissolving the active ingredient in an inert organic solvent, for example butanol, cyclohexanone, dimethylformamide, xylene or higher-boiling aromatics or hydrocarbons, with addition of one or more emulsifiers. In the case of liquid active ingredients, the solvent part can be omitted completely or partly. Emulsifiers which can be used are the following, for example: calcium salts of alkylarylsulfonic acids, such as Ca dodecylbenzenesulfonate, or nonionic emulsifiers, such as fatty acid polyglycol esters, alkylaryl polyglycol ethers, fatty alcohol polyglycol ethers, propylene oxide/ethylene oxide condensation products, alkyl polyglycol ethers, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters or polyoxyethylene sorbitol esters.

Dusts are obtained by grinding the active ingredient with finely divided, solid substances, for example talc or natural clays, such as kaolin, bentonite, pyrophillite or diatomaceous earth.

Granules can be prepared either by atomizing the active ingredient onto adsorptive, granulated inert material or by applying the active ingredient concentrates onto the surface of excipients such as sand or kaolinites, or of granulated inert material, by means of binders, for example polyvinyl alcohol, sodium polyacrylate, or alternatively mineral oils. Suitable active ingredients can also be granulated in the fashion which is conventional for the preparation of fertilizer granules--if desired mixed with fertilizers.

In wettable powders, the active ingredient concentration is about 10 to 90% by weight; the remainder to 100% by weight comprises conventional formulation components. In the case of emulsifiable concentrates, the active ingredient concentration can be about 10 to 80% by weight. Dustable formulations usually contain 5 to 20% by weight of active ingredient, and sprayable solutions about 1 to 20% by weight. In the case of granules, the active ingredient content depends partly on whether the active compound is present in liquid or solid form and on which granulation auxiliaries, fillers etc. are used.

In addition, the active ingredient formulations mentioned optionally contain the adhesives, wetting agents, dispersants, emulsifiers, penetrants, solvents, fillers or excipients which are conventional in each case.

For application, the concentrates, present in commercially available form, are diluted, if appropriate, in a conventional fashion, for example using water in the case of wettable powders, emulsifiable concentrates, dispersions and, in some cases, also in the case of microgranules. Dust-form and granulated formulations, and also sprayable solutions, are usually not further diluted with additional inert substances before application.

The application rates required for the compounds of the formula I when used as safeners can vary within broad limits depending on the indication and herbicide used, and generally vary between 0.01 and 10 kg of active ingredient per hectare.

The following examples serve to illustrate the invention.

A. FORMULATION EXAMPLES

a) A dust is obtained by mixing 10 parts by weight of a compound of the formula I and 90 parts by weight of talc or inert substance and comminuting in a hammer mill.

b) A wettable powder which is easily dispersible in water is obtained by mixing 25 parts by weight of a compound of the formula I, 64 parts by weight of kaolin-containing quartz as inert material, 10 parts by weight of potassium ligninsulfonate and 1 part by weight of sodium oleoylmethyltaurinate as wetting agent and dispersant and grinding in a pin disk mill.

c) A dispersion concentrate which is easily dispersible in water is obtained by mixing 20 parts by weight of a compound of the formula I with 6 parts by weight of alkylphenol polyglycol ether ((R)Triton X 207), 3 parts by weight of isotridecanol polyglycol ether (8 EO) and 71 parts by weight of paraffinic mineral oil (boiling range, for example, about 255 to above 377° C.) and grinding in a ball mill to a fineness of below 5 microns.

d) An emulsifiable concentrate is obtained from 15 parts by weight of the compound of the formula I, 75 parts by weight of cyclohexanone as solvent and 10 parts by weight of oxyethylated nonylphenol as emulsifier.

e) A concentrate which is easily emulsified in water and which is made from a phenoxycarboxylic acid ester and an antidote (10:1) is obtained from

12.00% by weight of ethyl 2-[4-(6-chlorobenzoxazol-2yloxy)-phenoxy]-propionate,

1.20% by weight of a compound of the formula I,

69.00% by weight of xylene,

7.80% by weight of calcium dodecylbenzenesulfonate,

6.00% by weight of ethoxylated nonylphenol (10 EO), and

4.00% by weight of ethoxylated castor oil (40 EO).

Formulation is carried out as specified under Example a).

f) A concentrate which is easily dispersible in water and which is made from a phenoxycarboxylic acid ester and an antidote (1:10) is obtained from

4.0% by weight of ethyl 2-[4-(6-chlorobenzoxazol-2-yloxy)-phenoxy]-propionate,

40.0% by weight of a compound of the formula I,

30.0% by weight of xylene,

20.0% by weight of cyclohexanone

4.0% by weight of calcium dodecylbenzenesulfonate, and

2.0% by weight of ethoxylated castor oil (40 EO).

B. CHEMICAL EXAMPLES EXAMPLES 1 and 2. Ethyl 1-phenylpyrazole-5-(and 3)-carboxylate.

15 g of ethyl vinyl ether were added dropwise to 14 g of ethyl chloroformylformate at between 0° and 30° C., and the mixture was stirred for a further 20 hours at 20°-30° C. The reaction mixture was concentrated in a water-pump vacuum, and the residue was taken up in 100 ml of glacial acetic acid. 10.8 g of phenylhydrazine in 150 ml of glacial acetic acid were added dropwise to this solution at between 10° and 80° C., and the mixture was refluxed for 2 hours. The product obtained was then introduced into 1 liter of water and extracted twice with 300 ml of ethyl acetate. The organic extract was washed once with 100 ml of water, twice with 100 ml of saturated NaHCO₃ solution and again with 100 ml of water and dried over Mg₂ SO₄. After distillative separation, ethyl 1-phenylpyrazole-5-carboxylate, boiling point 100-102/0.5 torr (Example 1) and ethyl 1-phenylpyrazole-3-carboxylate, boiling point 125-128/0.5 torr (Example 2) were obtained.

Yield: 10.5 g.

EXAMPLE 3 1-Phenylpyrazole-5-carboxylic acid.

4.4 g of ethyl 1-phenylpyrazole-5-carboxylate from Example 1 were stirred for 6 hours at room temperature with 10 ml of 16.5% strength aqueous NaOH and 10 ml of ethanol; the ethanol was removed by distillation, the aqueous phase was extracted twice with 10 ml of toluene, and the pH was adjusted to 3 using concentrated HCl. The precipitate was filtered off under suction, washed with a little water and dried: 3.1 g of product of boiling point 182°-183° C. were obtained.

EXAMPLE 4 Ethyl 1-(2,6-dichlorophenyl)-pyrazole-5-carboxylate.

145 g of ethyl vinyl ether were added dropwise to 137 g of ethyl chloroformylformate with cooling using ice/common salt; after warming to room temperature, the mixture was stirred for a further 20 hours. The volatile components were removed by distillation, and the residue was fractionated in a water-pump vacuum. Ethyl 4-ethoxy-2-oxobut-3-enoate of boiling point 140°-143° C./13 torr were obtained. 17.5 g of product were dissolved in 200 ml of toluene. 17.5 g of 2,6-dichlorophenylhydrazine were added at 0° C. with stirring. The mixture was slowly heated to boiling, and ethanol and water were removed in a water separator until the boiling point remained constant at 111° C. The residue was diluted with toluene, washed twice with 2N hydrochloric acid, saturated hydrogen carbonate solution and water, dried, evaporated to dryness and recrystallized from ethanol.

Yield: 18.3 g.

Melting point: 51°-53° C.

EXAMPLE 5 Ethyl 4-bromo-1-(2,6-dichlorophenyl)-pyrazole-5-carboxylate.

14.3 g of ethyl 1-(2,6-dichlorophenyl)-pyrazole-5-carboxylate from Example 4 were dissolved in 100 ml of glacial acetic acid, 10 g of Na acetate were added, and 4.5 g of bromine were added dropwise at room temperature. After 60 hours, the reaction mixture was poured into 1 liter of water, washed with water and recrystallized from ethanol.

Yield: 8.2 g

Melting point: 62°-65° C.

EXAMPLES 6 and 7 Cyclohexyl 1-(3-trifluoromethylphenyl)-pyrazole-5-(and 3)-carboxylate

15 g of ethyl vinyl ether were added dropwise to 19.5 g of cyclohexyl chloroformylformate at 0° C., the mixture was stirred at room temperature for 20 hours, and the volatile components were removed by distillation. 200 ml of toluene and 0.5 g of p-toluenesulfonic acid were added, and the mixture was heated for 2 hours on a water separator. A solution of 17.6 g of 3-trifluoromethylphenylhydrazine in 100 ml of toluene was added at 100° C., and the mixture was heated on a water separator until the distillate distilled over at a constant temperature of 111° C. The product was diluted with toluene, washed twice with 100 ml of 2N HCl, twice with 100 ml of saturated NaHCO₃ solution and once with 100 ml of water and dried over MgSO₄, and the solution was evaporated to dryness. After column chromatography, cyclohexyl 1-(3-trifluoromethylphenyl)-pyrazole-5-carboxylate was obtained as a colorless oil, yield 8.2 g (Example 6), and cyclohexyl 1-(3-trifluoromethylphenyl)-pyrazole-3-carboxylate as an oil, yield 8.7 g (Example 7). The compounds were characterized by ¹ H NMR spectroscopy.

EXAMPLES 8 and 9 Methyl 1-(4-methylphenyl)-pyrazole-5(and 3)-carboxylate.

12.5 g of p-tolylhydrazine in 150 ml of glacial acetic acid were added to a solution of 16 g of methyl 4-ethoxy-2-oxobut-3-enoat in 100 ml of glacial acetic acid at 50° C. The mixture was stirred at 100° C. for 5 hours, poured into 1 liter of water, and extracted twice with 100 ml of ethyl acetate. The organic phase was washed with saturated NaHCO₃ solution and subsequently with water, and dried. After evaporating in a water-pump vacuum, the mixture was separated by distillation in a high vacuum. 4.1 g of methyl 1-(4-methylphenyl)-pyrazole-5-carboxylate of boiling point 116°-120° C./0.01 torr (example 8) and 5.3 g of methyl 1-(4-methylphenyl)-pyrazole-3-carboxylate of boiling point 138°-142° C./0.01 torr were obtained. The compounds were characterized by ¹ H NMR spectroscopy.

The compounds of the formula I shown in the table below are prepared by the procedure described in the examples above or are obtained by derivatization of the compounds described above.

                                      TABLE I                                      __________________________________________________________________________      ##STR10##                                                                     Example                                   m.p. (°C.)                    No.  R.sub.n      4-Y                                                                              X                     (b.p./torr)                          __________________________________________________________________________     10   H            H 5-COOK                                                     11   H            H 5-COONa                                                    12   "            " 5-COO.sup.⊖ NH.sup.⊕ (C.sub.2 H.sub.4                              OH).sub.3             131-132                              13   "            " 5-COO.sup.⊖ NH.sub.3.sup.⊕ -c-C.sub.6                              H.sub.11                                                   14   "            Br                                                                               5-COOC.sub.2 H.sub.5  59-61                                15   H            Br                                                                               3-COOC.sub.2 H.sub.5  75-87                                16   "            Br                                                                                ##STR11##            Oil                                  17   H            Br                                                                               5-COO.sup.⊖ H.sub.2 N.sup.⊕ -c-C.sub.6                             H.sub.11              139-143                              18   H            Cl                                                                               5-COOC.sub.2 H.sub.5                                       19   "            " 5-COOH                                                     20   "            " 5-COO-n-C.sub.12 H.sub.25                                  21   "            H 3-COOH                142-144                              22   "            " 3-COO.sup.⊖ NH(C.sub.2 H.sub.4 OH).sub.3                                                     Oil                                  23   "            Br                                                                               3-COOC.sub.2 H.sub.5                                       24   "            " 3-COOH                                                     25   "            " 3-COOnC.sub.6 H.sub.13                                     26   "            Cl                                                                               3-COOCH.sub.3         66-68                                27   "            " 3-COOH                174-175                              28   "            " 3-COOK                                                     29   "            " 3-COOCH.sub.2 CCl.sub.3                                    30   4-CH.sub.3   H 5-COOH                192-196                              31   4-CH.sub.3   H 3-COOH                169-172                              32   "            Br                                                                               5-COOC.sub.2 H.sub.5                                       33   "            " 3-COOC.sub.2 H.sub.5                                       34   2,4-Cl.sub.2 H 5-COOC.sub.2 H.sub.5  56-60                                35   "            " 5-COOH                212-213                              36   2,4-Cl.sub.2 H 3-COOH                177-180                              37   "            " 5-COSC.sub.2 H.sub.5  Oil                                  38   "            "                                                                                 ##STR12##                                                 39   "            Br                                                                               5-COOC.sub.2 H.sub.5  45-48                                40   "            " 3-COOC.sub.2 H.sub.5  91-102                               41   "            " 3-COOH                184-188                              42   "            " 5-COOH                175-177                              43   "            " 5-COO.sup.⊖ NH.sup. ⊕ (C.sub.2 H.sub.4                             OH).sub.3             72-75                                44   "            " 5-COOK                >260                                 45   "            H 3-COOC.sub.2 H.sub.5  72-77                                46   "            H 5-COOCH.sub.2 CF.sub.2 CFHCF.sub.3                                                                   Oil                                  47   "            " 5-COO-n-C.sub.12 H.sub.25                                                                            Oil                                  48   "            " 5-COO-c-C.sub.6 H.sub.11                                                                             Oil                                  49   "            " 5-COO.sup.- Li.sup.+  >260                                 50   "            " 3-COO.sup.- K.sup.+   >260                                 51   "            " 5-COO.sup.- Ca.sub.1.sup.2+ /.sub.2                                                                  178-180                              52   "            " 5-COO.sup.⊖ NH.sub.4.sup.⊕                                                               140-143                              53   "            Br                                                                               5-CONH.sub.2          118-120                              54   "            H 3-COO.sup.⊖ NH.sub.4.sup.⊕                                                               212-215                              55   "            Br                                                                               5-CN                  106-110                              56   "            "                                                                                 ##STR13##                                                 57   "            " 5-CONHCH.sub.2 CH.sub.2 OH                                                                           49-50                                58   "            " 5-COOCH.sub.2 SCH.sub.3                                    59   "            Cl                                                                                ##STR14##                                                 60   "            "                                                                                 ##STR15##                                                 61   2,4-Cl.sub.2 Cl                                                                                ##STR16##                                                 62   2,6-(CH.sub.3).sub.2                                                                        H 5-COOH                167-170                              63   "            " 5-COOC.sub.2 H.sub.5  101-108/0.02                         64   "            " 3-COO.sup.⊖ .sup.+NH(C.sub.2 H.sub.4 OH).sub.3                         .                     83-86                                65   "            " 3-COO.sup.⊖ H.sub.3 N.sup.⊕ -c-C.sub.6                             H.sub.11              144-146                              66   "            Br                                                                                ##STR17##                                                 67   "            Br                                                                               5-COOCH.sub.2CF.sub.2 CHFCF.sub.3                          68   "            Cl                                                                               5-COOH                                                     69   "            Cl                                                                                ##STR18##                                                 70   2,6-(C.sub.2 H.sub.5).sub.2                                                                 H 5-COOC.sub.2 H.sub.5  119-123/0.01                         71   "            H 3-COOC.sub.2 H.sub.5  135-152/0.01                         72   "            H 5-COOH                142-146                              73   "            H 3-COOH                162-164                              74   "            Br                                                                               5-COOH                117-123                              75   "            " 3-COOH                136-141                              76   "            " 5-CONH.sub.2                                               77   "            Br                                                                               3-CONHOH                                                   78   "            "                                                                                 ##STR19##                                                 79   "            Cl                                                                               5-COOH                                                     80   "            Cl                                                                               3-COOH                                                     81   "            Cl                                                                               5-COO-n-C.sub.12 H.sub.25                                  82   2-CH.sub.3, 6-C.sub.2 H.sub.5                                                               H 5-COOC.sub.2 H.sub.5  120-125/0.02                         82   "            " 3-COOC.sub.2 H.sub.5  140-144/0.02                         83   "            " 5-COOH                126-128                              84   "            "                                                                                 ##STR20##            137-140                              85   2-CH.sub.3, 6-C.sub.2 H.sub.5                                                               Br                                                                               5-COOH                                                     86   "            Cl                                                                               5-COOC.sub.2 H.sub.5                                       87   "            " 3-COOH                                                     88   2,6-Cl.sub.2 H 5-COOH                207-208                              89   "            Br                                                                               5-COOH                187-192                              90   "            H 5-CONH.sub.2          117-118                              91   "            H                                                                                 ##STR21##            225                                  92   "            " 5-COSC.sub.2 H.sub.5  Oil                                  93   "            " 5-COO(CH.sub.2).sub.2 (CF.sub.2).sub.3CF.sub.3                                                       57-61                                94   "            " 5-COO-n-C.sub.12 H.sub.25                                                                            44-48                                95   "            " 5-COOCH.sub.3         113-115                              96   "            " 5-CN                  94-96                                97   "            " 5-CONHCH.sub.3        220-223                              98   2,6-Cl.sub.2, 3-NO.sub.2                                                                    " 5-COOC.sub.2 H.sub.5  Oil                                  99   "            " 5-COOH                178-179                              100  2,6-Cl.sub.2 "                                                                                 ##STR22##            176-177                              101  "            "                                                                                 ##STR23##                                                 102  "            "                                                                                 ##STR24##                                                 103  "            "                                                                                 ##STR25##                                                 104  "            Br                                                                               5-COOC.sub.2 H.sub.5                                       105  "            Br                                                                               5-COOCH.sub.2 CF.sub.2 CHFCF.sub.3                         106  "            "                                                                                 ##STR26##                                                 107  2,6-Cl.sub.2 Br                                                                                ##STR27##                                                 108  "            Cl                                                                               5-COOC.sub.2 H.sub.5                                       109  "            Cl                                                                               5-COOH                                                     110  "            Cl                                                                                ##STR28##                                                 111  "            "                                                                                 ##STR29##                                                 112  "            H 3-COOH                                                     113  "            Br                                                                               3-COOC.sub.2 H.sub.5                                       114  "            Cl                                                                               3-COOCH.sub.3                                              115  3,4-Cl.sub.2 H 5-COOC.sub.2 H.sub.5  95-99                                116  "            " 3-COOC.sub.2 H.sub.5  93-96                                117  "            " 5-COOH                217-219                              118  "            " 5-COO.sup.⊖ NH.sup.⊕ (C.sub.2 H.sub.4                              OH).sub.3             137-140                              119  "            Br                                                                               5-COONC(CH.sub.3).sub.2                                    120  "            Cl                                                                               5-COOCH.sub.3                                              121  "            " 3-COOC.sub.2 H.sub.5                                       122  "            " 5-COOnC.sub.12 H.sub.25                                    123  3,5-Cl.sub.2 H 5-COOC.sub.2 H.sub.5  94-97                                124  "            " 5-COOH                229-232                              125  "            Br                                                                               5-COOH                                                     126  "            " 3-COOH                                                     127  "            Cl                                                                               5-COOC.sub.2 H.sub.5                                       128  2,3,4-Cl.sub.3                                                                              H 5-COOC.sub.2 H.sub.5  Oil                                  129  "            H 5-COOH                146                                  130  "            " 3-COOC.sub.2 H.sub.5  Oil                                  131  "            Br                                                                               5-COOH                                                     132  "            " 5-COOCH.sub.2 CF.sub.2 CHFCF.sub.3                                                                   . . .                                133  2,3,4-Cl.sub.3                                                                              Br                                                                               5-COOCH.sub.2 CCl.sub.3                                    134  "            Cl                                                                               5-COOH                                                     135  2,4,6-Cl.sub.3                                                                              H 5-COOC.sub.2 H.sub.5  99-101                               136  "            " 3-COOC.sub.2 H.sub.5  114-115                              137  "            " 5-COOH                                                     138  "            " 3-COOH                                                     139  "            " 5-COOCH.sub.3                                              140  "            Br                                                                               5-COOH                                                     141  "            Br                                                                               3-COOH                                                     142  "            Cl                                                                               5-COOH                                                     143  "            " 3-COOH                                                     144  4-C.sub.6 H.sub.5                                                                           H 5-COOC.sub.2 H.sub.5  40-43                                145  "            " 3-COOC.sub.2 H.sub.5  89-92                                146  "            " 3-COOH                196-199                              147  "            H 5-COOnC.sub.12 H.sub.25                                    148  "            Br                                                                               5-COOH                                                     149  "            Br                                                                               3-COOH                                                     150  "            Cl                                                                               5-COOH                                                     151  "            " 3-COOH                                                     152  2-Cl         H 5-COOCH.sub.3         64-70                                153  "            " 5-COOC.sub.2 H.sub.5  Oil                                  154  "            " 5-COOH                157-161                              155  "            " 5-CONH.sub.2                                               156  "            " 5-CONHC.sub.2 H.sub.5                                      157  "            " 5-CONHNHC.sub.2 H.sub.5                                    158  "            " 5-COSC.sub.2 H.sub.5                                       159  "            " 5-COO-nC.sub.12 H.sub.25                                   160  "            " 3-COOC.sub.2 H.sub.5                                       161  "            " 3-COSC.sub.2 H.sub.5                                       162  "            " 3-COOH                                                     163  "            " 3-COOnC.sub.4 H.sub.9                                      164  "            Br                                                                               5-COOC.sub.2 H.sub.5  Oil                                  165  2-Cl         Br                                                                               5-COSC.sub.2 H.sub.5                                       166  "            " 5-COOH                                                     167  "            " 3-COOC.sub.2 H.sub.5                                       168  "            Cl                                                                               5-COOC.sub.2 H.sub.5                                       169  "            Cl                                                                               5-COOH                                                     170  "            " 3-COOC.sub.2 H.sub.5                                       171  "            " 3-COSC.sub.2 H.sub.5                                       172  2,4-Cl.sub.2 -5-OCH.sub.3                                                                   H 5-COOC.sub.2 H.sub.5  Oil                                  173  "            " 5-COOH                187-190                              174  "            " 3-COOC.sub.2 H.sub.5                                       175  "            Br                                                                               5-COSC.sub.2 H.sub.5                                       176  "            Cl                                                                               3-COOC.sub.2 H.sub.5                                       177  "            " 5-COOC.sub.2 H.sub.5                                       178  2,4-Cl.sub.2 -5-CO.sub.2 C.sub.2 H.sub.5                                                    H 5-COOC.sub.2 H.sub.5  170-175/0.01                         179  "            " 5-COOCH.sub.3                                              180  "            " 5-COO-c-C.sub.6 H.sub.11                                   181  "            " 3-COOC.sub.2 H.sub.5                                       182  "            Br                                                                               5-COOC.sub.2 H.sub.5                                       183  "            Cl                                                                               5-COOC.sub.2 H.sub.5                                       184  2-F-4-Cl-5-OCH.sub.3                                                                        H 5-COOC.sub.2 H.sub.5  155-162/0.01                         185  "            " 5-COOH                207-210                              186  "            " 5-CN                                                       187  "            " 5-CONH.sub.2                                               188  "            " 5-CNHNH.sub.2                                              189  "            " 3-COOC.sub.2 H.sub.5                                       190  "            " 3-COOH                                                     191  "            " 5-COONH.sub.4                                              192  "            " 5-COOK                                                     193  "            Cl                                                                               5-COOCH.sub.3                                              194  "            Cl                                                                               5-COOH                                                     195  "            " 3-COOCH.sub.3                                              196  "            Br                                                                               5-COOC.sub.4 H.sub.9                                       197  "            Br                                                                               5-COOCH.sub.2 CCH                                          198  2-F-4-Cl-5-OCH.sub. 3                                                                       Br                                                                               3-COOC.sub.2 H.sub.5                                       199  4-CF.sub.3   H 5-COOC.sub.2 H.sub.5  53-54                                200  "            " 3-COOC.sub.2 H.sub.5  79-84                                201  4-CF.sub.3 -2,6-(NO.sub.2).sub.2                                                            H 5-COOC.sub.2 H.sub.5  108-112                              202  "            " 3-COOC.sub.2 H.sub.5  138-142                              203  2,Cl-4CF.sub.3                                                                              H 5-COOC.sub.2 H.sub.5  45-47                                204  "            " 5-COOH                149-150                              205  "            " 3-COOC.sub.2 H.sub.5  66-69                                206  3-CF.sub.3   H 5-COOC.sub.2 H.sub.5  87-101/0.01                          207  "            " 3-COOC.sub.2 H.sub.5  79-84                                208  "            " 5-COOH                136-138                              209  "            " 3-COO.sup.- (Ca.sup.2+).sub.1/2                                                                      244-261                              210  "            " 3-COOK                242                                  211  "            " 3-COONa               283                                  212  "            " 5-COO.sup.- Ca.sup.2+.sub.1/2                                                                        128-131                              213  "            " 3-COO-c-C.sub.6 H.sub.11                                                                             67-68                                214  "            Br                                                                               3-COO-C-C.sub.6 H.sub.11                                                                             86-91                                215  "            H 5-COO-c-C.sub.6 H.sub.11                                                                             155-160/0.5                          216  "            Br                                                                               5-COO-c-C.sub.6 H.sub.11                                                                             Oil                                  217  "            H 5-COO.sup. - K.sup.+  208-213                              218  "            " 5-COO.sup.- NH.sub.4.sup.+                                                                           65-71                                219  "            " 3-COO.sup.- NH.sub.4.sup.+                                                                           207-212                              220  "            " 3-COO.sup.- Li.sup.+  >250                                 221  "            " 5-CONH-4-C.sub.6 H.sub.4 -4-Cl                             222  "            " 5-C(NH.sub.2)NOCH.sub.3                                    223  "            " 5-COOCH.sub.2 CH.sub.2 c-C.sub.6 H.sub.11                  224  "            " 5-CSOC.sub.2 H.sub.5                                       225  "            " 3-COSC.sub.2 H.sub.5                                       226  "            Br                                                                               5-COSC.sub.2 H.sub.5                                       227  "            Br                                                                               3-COSC.sub.2 H.sub.5                                       228  "            Cl                                                                               5-COONHCOCH.sub.3                                          229  "            Cl                                                                               5-COO(CH.sub.2).sub.2 OC.sub.2 H.sub.2 CH.sub.3            230  "            " 5-COOCH.sub.2 C.sub.6 H.sub.5                              231  2,4-F.sub.2  H 5-COOC.sub.2 H.sub.5  102-106/0.02                         232  "            " 3-COOC.sub.2 H.sub.5  120-122/0.02                         233  "            " 5-COOH                196-199                              234  "            Br                                                                               5-COOH                165-168                              235  "            Br                                                                               3-COOC.sub.2 H.sub.5                                       236  "            Cl                                                                               5-COOH                                                     237  4-F          H 5-COOC.sub.2 H.sub. 5 96-98                                238  4-F          H 3-COOC.sub.2 H.sub.5  44-49                                239  "            H 5-COOH                147-148                              240  "            H 5-COSC.sub.2 H.sub.5  62-65                                241  "            " 5-CSSC.sub.2 H.sub.5                                       242  "            " 5-CSN(CH.sub.3).sub.2                                      243  "            " 5-CONHNHCOC.sub.6 H.sub.5                                  244  "            " 3-COSC.sub.2 H.sub.5                                       245  "            " 3-CCNH.sub.2                                               246  "            Br                                                                               5-COOH                207(decomp.)                         247  "            Br                                                                                ##STR30##                                                 248  "            Br                                                                               3-COOC.sub.2 H.sub.5  79-83                                249  "            Cl                                                                               5-COOH                                                     250  "            " 3-COOH                                                     251  4Br          H 5-COOC.sub.2 H.sub.5  63-65                                252  "            " 5-COOC.sub.2 H.sub.5  78-81                                253  "            " 5-COOH                                                     254  "            " 5-COSC.sub.2 H.sub.5                                       255  "            " 3-COSC.sub.2 H.sub.5                                       256  "            Br                                                                               5-COOH                                                     257  "            Cl                                                                               5-COOH                                                     258  "            " 3-COOH                                                     259  4-Cl         H 5-COOC.sub.2 H.sub.5  60-65                                260  "            " 3-COOH                169-174                              261  4-Cl         H 5-COOH                181-182                              262  "            " 3-COOC.sub.2 H.sub.5  71-74                                263  "            Br                                                                               3-COOC.sub.2 H.sub.5  107-109                              264  "            " 5-COOC.sub.2 H.sub.5  109-112                              265  "            H                                                                                 ##STR31##            152-154                              266  "            "                                                                                 ##STR32##            Oil                                  267  "            Br                                                                               5-COOH                196-198                              268  "            " 5-COO.sup.- HN.sup.+ (C.sub.2 H.sub.4 OH).sub.3                                                      112-114                              269  "            "                                                                                 ##STR33##            Oil                                  270  3-Cl         H 5-COOC.sub.2 H.sub.5  55-60                                271  "            " 5-COOH                205                                  272  3-Cl-5-NO.sub.2                                                                             H 5-COOC.sub.2 H.sub.5  104-116                              273  "            " 3-COOC.sub.2 H.sub.5  141-147                              274  3-Cl         H 3-COOH                                                     275  "            " 3-COSC.sub.2 H.sub.5                                       276  "            Br                                                                               5-COOCH.sub.3                                              277  "            Cl                                                                               5-COOH                                                     278  "            " 3-COOH                                                     279  3-COOC.sub.2 H.sub.5                                                                        H 3-COOC.sub.2 H.sub.5  92-95                                280  "            " 5-COOC.sub.2 H.sub.5  85-87                                281  3-COO.sup.- HN.sup.+ (C.sub.2 H.sub.4 OH).sub.3                                             H 3-COO.sup.- HN.sup.+ (C.sub.2 H.sub.4 OH).sub.3                                                      Oil                                  282  3-COOH       H 5-COOH                236-238                              283  3-COOH       H 3-COOH                240-243                              284  4-COOH       H 5-COOH                >260                                 285  "            " 3-COOH                >260                                 286  3-OCF.sub.2 CHF.sub.2                                                                       H 5-COO-c-C.sub.6 H.sub.11 xH.sub.2 SO.sub.4                                                           Oil                                  287  "            " 5-COOC.sub.2 H.sub.5  Oil                                  288  "            H 3-COOC.sub.2 H.sub.5  47-51                                289  "            " 5-COO-c-C.sub.6 H.sub.11                                                                             Oil                                  290  "            " 3-COO-c-C.sub.6 H.sub.11                                                                             Oil                                  291  3-OCF.sub.2 CHF.sub.2                                                                       H 5-COO-i-borneyl       Oil                                  292  "            " 3-COO-i-borneyl       88-90                                293  "            Br                                                                               5-COO-c-C.sub.6 H.sub.11                                                                             Oil                                  294  "            " 3-COOC.sub.2 H.sub.5  62- 64                               295  "            " 5-COOC.sub.2 H.sub.5  Oil                                  296  "            Cl                                                                               5-COOC.sub.2 H.sub.5                                       297  "            " 3-COOC.sub.2 H.sub.5                                       298  3-OCF.sub.2 CHFCF.sub.3                                                                     H 5-COOC.sub.2 H.sub.5  Oil                                  299  "            " 5-COOH                129-131                              300  "            " 5-COSC.sub.2 H.sub.5                                       301  "            H 5-CN                                                       302  "            " 3-COOC.sub.2 H.sub.5  44-46                                303  "            " 3-COOH                104(decomp.)                         304  "            H 3-COSC.sub.2 H.sub.5                                       305  "            Br                                                                               5-COOC.sub.2 H.sub.5                                       306  "            " 3-COOC.sub.2 H.sub.5                                       307  3-OCF.sub.3  H 5-COOC.sub.2 H.sub.5  Oil                                  308  "            H 3-COOC.sub.2 H.sub.5  55-58                                309  "            Cl                                                                               5-COOC.sub.2 H.sub.5                                       310  4-OCF.sub.3  H 5-COOC.sub.2 H.sub.5  Oil                                  311  "            H 5-COOH                157-158                              312  "            " 3-COOC.sub.2 H.sub.5  68-71                                313  "            Cl                                                                               5-COOC.sub.2 H.sub.5  98-99                                314  3-NO.sub.2   H 5-COOC.sub.2 H.sub.5  76-82                                315  3-OCHF.sub.2 H 5-COOC.sub.2 H.sub.5                                       316  "            " 5-COOH                                                     317  2,4-F.sub.2, 3,5-Cl.sub.2                                                                   H 5-COOC.sub. 2 H.sub.5                                      318  "            " 3-COOC.sub.2 H.sub.5                                       319  "            " 5-COOH                                                     320  "            Br                                                                               5-COOC.sub.2 H.sub.5                                       321  "            Cl                                                                               3-COOC.sub.2 H.sub.5                                       322  4-OC.sub.6 H.sub.5                                                                          H 5-COOC.sub.2 H.sub.5                                       323  "            " 5-COOH                                                     324  4-OC.sub.6 H.sub.5                                                                          H 3-COOC.sub.2 H.sub.5                                       325  4-OC.sub.6 H.sub.4 -2-Cl                                                                    H 5-COOC.sub.2 H.sub.5                                       326  4-NH.sub.2   H 3-COOC.sub.2 H.sub.5  84-87                                327  3-NHCOCH.sub.3                                                                              H 5-COOC.sub.2 H.sub.5                                       328  3-SH         H 5-COOC.sub.2 H.sub.5                                       329  3-SC.sub.6 H.sub.5                                                                          H 5-COOC.sub.2 H.sub.5                                       330  3-SO.sub.2C.sub.6 H.sub.5                                                                   H 5-COOCH.sub.3                                              331  2,6-Cl.sub.2 -4-CF.sub.3                                                                    H 5-COOC.sub.2 H.sub.5  69-71                                332  "            H 5-CONH.sub.2          171-173                              333  "            H 5-CN                  67-69                                334  "            H 3-COOC.sub.2 H.sub.5  112-115                              335  4-NO.sub.2   H 3-COOC.sub.2 H.sub.5  159-161                              336  3-C.sub.2 H.sub.5                                                                           H 5-COOC.sub.2 H.sub.5  Oil                                  337  "            H 3-COOC.sub.2 H.sub.5  Oil                                  338  3-OCF.sub.3  H 5-COOH                113-115                              339  4-OCF.sub.3  Br                                                                               3-COOC.sub.2 H.sub.5  92-97                                340  4-F-3-NO.sub.2                                                                              H 5-COOC.sub.2 H.sub.5  74-76                                341  "            H 5-COOH                178 decomp.                          342  2,4,6-Cl.sub.3                                                                              Br                                                                               5-COOC.sub.2 H.sub.5  64-65                                343  2,4,6-Cl.sub.3 -3-CH.sub.3                                                                  H 5-COOC.sub.2 H.sub.5  38-42                                344  3-F          H 5-COOC.sub.2 H.sub.5  Oil                                  345  3-F          H 3-COOC.sub.2 H.sub.5  Oil                                  346  2-CF.sub.3   H 5-COOC.sub.2 H.sub.5  Oil                                  347  "            H 5-COOH                130-132                              348  2-Cl-5-CF.sub.3                                                                             H 5-COOC.sub.2 H.sub.5  Oil                                  349  "            H 3-COOC.sub.2 H.sub.5  Oil                                  350  3,5-(CF.sub.3).sub.2                                                                        H 5-COOC.sub.2 H.sub.5  63-67                                351  "            H 3-COOC.sub.2 H.sub.5  108-110                              352  "            H 5-COOH                124-126                              353  2,4-Cl.sub.2 -6-CH.sub.3                                                                    H 5-COOC.sub.2 H.sub.5  63-65                                354  F.sub.5      H 5-COOC.sub.2 H.sub.5  Oil                                  355  "            H 3-COOC.sub.2 H.sub.5  Oil                                  356  "            H 5-COOH                146-150                              357  4-NHCHC(CN).sub.2                                                                           H 3-COOC.sub.2 H.sub.5  >220                                 358                                                                                  ##STR34##   H 3-COOC.sub.2 H.sub.5  115-117                              359  3-NHCOCOOC.sub. 2 H.sub.5                                                                   H 5-COOC.sub.2 H.sub.5  50-54                                360  2,4-Cl.sub.2 -5NO.sub.2                                                                     Br                                                                               5-CONH.sub.2          204-206                              361  2,4,6-Cl.sub.3 -3NO.sub.2                                                                   H 5-COOC.sub.2 H.sub.5  94-101                               362  "            H 5-COOH                185-187                              363  "            H 5-COOK                189-192                              364  3-CF.sub.3   H 5-CON(C.sub.2 H.sub.5).sub.2                                                                         66-68                                365  "            H 5-CONHCH.sub.2 CH(OCH.sub.3).sub.2                                                                   92-94                                366  "            H 5-CONH.sub.2          119-121                              367  "            H 5-CONHCH.sub.3        72-77                                368  "            H 5-CONHCH.sub.2 CH(C.sub.2 H.sub.5)-n-C.sub.4 H.sub.9                                                 Oil                                  369  "            H 5-CONH-c-C.sub.6 H.sub.11                                                                            134 decomp.                          370  2-Cl-4-CF.sub.3                                                                             Br                                                                               5-COOC.sub.2 H.sub.5  Oil                                  371  "            Br                                                                               3-COOC.sub.2 H.sub.5  38-41                                372  "            H                                                                                 ##STR35##            Oil                                  373  "            H                                                                                 ##STR36##            104-106                              374  2-Cl-5-NO.sub.2                                                                             H 5-COOC.sub.2 H.sub.5  78-82                                375  2-Cl         H 5-CO (benzimidazol-1-yl)                                                                             117-121                              376  "            H                                                                                 ##STR37##            125-126                              377  5-NO.sub.2 -2-SC.sub.2 H.sub.5                                                              H 5-COOC.sub.2 H.sub.5  Oil                                  378  5-Cl-2-NO.sub.2                                                                             H 5-COOC.sub.2 H.sub.5  90-94                                379  3-Cl-4-NO.sub.2                                                                             H 5-COOC.sub.2 H.sub.5  109-113                              380  2,4-(SC.sub.6 H.sub.5).sub.2 -5-NO.sub.2                                                    H 5-COOCH.sub.3         145-148                              381  4-OCH.sub.3  H 5-COOC.sub.2 H.sub.5  Oil                                  382  "            H 3-COOC.sub.2 H.sub.5  Oil                                  383  "            H 5-COOH                170-172                              384  "            H 3-COOH                185-187                              385  2,3,5,6-F.sub.4                                                                             H 5-COOC.sub.2 H.sub.5  57-60                                386  "            H 5-COOH                128-130                              387  "            H 5-CON(C.sub.2 H.sub.5).sub.2                                                                         80-83                                388  "            H 5-COO-n-C.sub.6 H.sub.13                                                                             Oil                                  389                                                                                  ##STR38##   H 5-COOC.sub.2 H.sub.5  96-101                               390  3-NO.sub.2 -4-OC.sub.6 H.sub.5                                                              H 5-COOC.sub.2 H.sub.5  52-54                                391  "            H 5-COOH                178-181                              392  4-NHSO.sub.2 CH.sub.3                                                                       H 3-COOC.sub.2 H.sub.5  150-155                              393  3-Cl-4-F     H 5-COOC.sub.2 H.sub.5  84-87                                394  "            H 3-COOC.sub.2 H.sub.5  122-125                              395  "            H 5-COOH                >225                                 396  4-F-3-CF.sub.3                                                                              " 3-COOC.sub.2 H.sub.5  24-29                                397  4-N(CH.sub.3).sub.2 -3-CF.sub.3                                                             H 5-COOC.sub.2 H.sub.5  Oil                                  398  "            H 3-COOC.sub.2 H.sub.5  Oil                                  399  3-Cl-2,6-(C.sub.2 H.sub.5)                                                                  H 5-COOC.sub.2 H.sub.5  Oil                                  400  "            H 3-COOC.sub.2 H.sub.5  Oil                                  401  "            H 5-COOH                145-147                              402  "            Br                                                                               5-COOC.sub.2 H.sub.5  Oil                                  403  2,4-Br.sub.2 H 5-COOC.sub.2 H.sub.5  Oil                                  404  "            H 3-COOC.sub.2 H.sub.5  103-105                              405  "            H 5-COOH                217-219                              406  "            Br                                                                               5-COOC.sub.2 H.sub.5  Oil                                  407  2,4-Cl.sub.2 H 3-CONHSO.sub.2 CH.sub.3                                                                              155-159                              408  "            H 3-COOCH.sub.3         105-107                              409  "            H 3-COOCH.sub.2 CCH     101-103                              410  "            H 5-COOCH.sub.2 CCH     Oil                                  411  "            H 5-COOCH(CH.sub.3).sub.2                                                                              Oil                                  412  "            H 5-COOCH.sub.2 CCl.sub.3                                                                              Oil                                  413  "            H 5-COONC(CH.sub.3).sub.2                                                                              87-89                                414  "            H 5-COOCH(CF.sub.3).sub.2                                                                              Oil                                  415  "            H 5-CN                  70-71                                416  "            H 5-COOCH.sub.2 Si(CH.sub.3).sub.3                                                                     Oil                                  417  "            H 3-COOCH.sub.2 Si(CH.sub.3).sub.3                                                                     51-54                                418  "            H                                                                                 ##STR39##            Oil                                  __________________________________________________________________________

BIOLOGICAL EXAMPLES A. Growth Regulation 1. Growth Inhibition in Cereals

In dish experiments in a greenhouse, young cereal plants (wheat, barley and rye) at the 3-leaf stage were sprayed with compounds according to the invention at various active ingredient concentrations (kg/ha) until dripping wet.

When untreated control plants had reached a growth height of about 55 cm, the increase in growth in all plants was measured and the growth inhibition calculated in % of additional growth of the control plants. In addition, the phytotoxic action of the compounds was observed, 100% denoting cessation of growth and 0% denoting growth corresponding to the untreated control plants. It was apparent that the compounds have very good growth-regulating properties. The results are collated in the following table.

                  TABLE                                                            ______________________________________                                         Compounds           Growth inhibition                                          according                                                                              Application %              Phytotoxic                                  to Ex. No.                                                                             conc., kg/ha                                                                               Wheat   Barley                                                                               Rye  action                                  ______________________________________                                          17     2.5         15      22    19   no                                              1.25        11      16    14   damage                                   34     2.5         14      21    17   no                                              1.25        10      14    11   damage                                   42     2.5         25      38    22   no                                              1.25        22      23    17   damage                                   43     2.5         24      38    23   no                                              1.25        21      22    16   damage                                   44     2.5         24      37    23   no                                              1.25        20      23    17   damage                                   52     2.5         22      31    21   no                                              1.25        18      26    17   damage                                   53     2.5         16      21    19   no                                              1.25        10      15    13   damage                                   55     2.5         14      20    21   no                                              1.25         9      13    14   damage                                   62     2.5         18      21    14   no                                              1.25        14      15    12   damage                                   72     2.5         14      17    14   no                                              1.25        12      15     9   damage                                   83     2.5         19      22    19   no                                              1.25        12      14    13   damage                                   88     2.5         23      36    29   no                                              1.25        18      28    20   damage                                   89     2.5         26      39    24   no                                              1.25        21      24    19   damage                                   90     2.5         14      21    18   no                                              1.25        10      16    13   damage                                   92     2.5         17      22    19   no                                              1.25        11      17    14   damage                                  115     2.5         16      21    19   no                                              1.25        11      17    14   damage                                  116     2.5         17      22    19   no                                              1.25        12      17    13   damage                                  117     2.5         19      24    21   no                                              1.25        14      19    16   damage                                  128     2.5         16      21    17   no                                              1.25        11      16    13   damage                                  129     2.5         22      31    22   no                                              1.25        18      25    19   damage                                  135     2.5         15      19    18   no                                              1.25        11      16    14   damage                                  140     2.5         20      24    22   no                                              1.25        14      19    17   damage                                  153     2.5         20      23    21   no                                              1.25        13      19    16   damage                                  154     2.5         22      27    24   no                                              1.25        15      23    19   damage                                  178     2.5         14      19    19   no                                              1.25        12      14    15   damage                                  185     2.5         13      18    15   no                                              1.25         9      13     9   damage                                  204     2.5         16      19    17   no                                              1.25        11      16    15   damage                                  206     2.5         15      20    18   no                                              1.25        13      13    14   damage                                  208     2.5         20      35    22   no                                              1.25        14      24    17   damage                                  217     2.5         17      27    22   no                                              1.25        14      22    17   damage                                  218     2.5         18      27    19   no                                              1.25        15      23    16   damage                                  246     2.5         25      38    27   no                                              1.25        21      29    24   damage                                  267     2.5         21      30    22   no                                              1.25        17      23    17   damage                                  269     2.5         24      37    27   no                                              1.25        21      28    23   damage                                  295     2.5         19      29    22   no                                              1.25        16      24    17   damage                                  356     2.5         19      28    21   no                                              1.25        15      22    16   damage                                  366     2.5         17      21    17   no                                              1.25        11      16    13   damage                                  405     2.5         24      37    23   no                                              1.25        21      28    18   damage                                  413     2.5         19      26    18   no                                              1.25        13      19    13   damage                                  ______________________________________                                    

2. Growth Inhibition in Paddy Rice

Rice plants were raised in pots in a greenhouse to the 3-leaf stage, and then treated with the compounds according to the invention. The substances were applied both by spraying and in the water.

3 weeks after treatment, the additional growth was measured in all plants and the growth inhibition calculated in % of the additional growth in the control plants. In addition, a possible phytotoxic action of the compounds was looked for.

The growth inhibition was determined as a percentage, 100% denoting cessation of growth and 0% denoting growth corresponding to that of the untreated control plants.

The results are collated in the following table.

                  TABLE                                                            ______________________________________                                         Compounds               Growth                                                 according Application   inhibition                                                                              Phytotoxic                                    to Ex. No.                                                                               conc., kg/ha  (%)      action                                        ______________________________________                                          42       2.5           26       no                                                      1.25          24       damage                                                  0.62          20                                                      43       2.5           27       no                                                      1.25          24       damage                                                  0.62          19                                                      62       2.5           19       no                                                      1.25          15       damage                                                  0.62           8                                                      83       2.5           21       no                                                      1.25          16       damage                                                  0.62          13                                                      88       2.5           19       no                                                      1.25          16       damage                                                  0.62          12                                                     178       2.5           22       no                                                      1.25          17       damage                                                  0.62          15                                                     206       2.5           25       no                                                      1.25          19       damage                                                  0.62          17                                                     208       2.5           32       no                                                      1.25          27       damage                                                  0.62          21                                                     218       2.5           26       no                                                      1.25          20       damage                                                  0.62          17                                                     219       2.5           27       no                                                      1.25          21       damage                                                  0.62          17                                                     246       2.5           29       no                                                      1.25          25       damage                                                  0.62          21                                                     ______________________________________                                    

3. Growth Inhibition in Soybeans

Soybeans, about 10 cm tall, were sprayed with the active ingredient formulations until dripping wet. Assessment was carried out after 3 weeks.

The growth inhibition was determined as a percentage, 100% denoting cessation of growth and 0% denoting growth corresponding to that of the untreated control plants.

                  TABLE                                                            ______________________________________                                         Compounds             Growth                                                   according  Application                                                                               inhibition Phytotoxic                                    to Ex. No. conc., kg/ha                                                                              (%)        action                                        ______________________________________                                         35         2.5        22         no damage                                     88         2.5        25         no damage                                     89         2.5        27         no damage                                     42         2.5        26         no damage                                     43         2.5        24         no damage                                     44         2.5        26         no damage                                     ______________________________________                                    

B. Safener Action EXAMPLE 1

Cereals, preferably wheat, were raised in 9 cm diameter plastic pots in a greenhouse to the 3-4 leaf stage and then treated, in the post-emergence method, simultaneously with the compounds according to the invention and the herbicides tested. In this treatment, the herbicides and the compounds of the formula I were applied in the form of aqueous suspensions or emulsions at a water application rate of approximately 800 l/ha. 3-4 weeks after treatment, the plants were assessed visually for any type of damage caused by the herbicides applied, the extent of lasting growth inhibition, in particular, being taken into account.

The results from Table V show that the compounds according to the invention are able to effectively reduce severe herbicide damage to the crop plants.

Even in the case of considerable overdosing of the herbicide, severe damage occurring in the crop plant is greatly reduced, and less severe symptoms of damage are completely eliminated. Mixtures of herbicides and the compounds according to the invention are therefore suitable in an excellent fashion for selective combating of weeds in cereal crops.

EXAMPLE 2

Cereals and the two weed grasses Avena fatua and Alopecurus myosuroides were sown in sandy loam in 9 cm diameter plastic pots, raised in a greenhouse under ideal growth conditions to the 3-4 leaf stage or until commencement of tillering, and treated with mixtures of the compounds according to the invention and herbicides. In this treatment, the preparations were applied in the form of aqueous suspensions or emulsions at a water application rate of approximately 300-600 l/ha.

3-4 weeks after application, the test plants were assessed visually for growth changes and damage compared to untreated controls and controls treated with the herbicides alone.

The results from Table V show that the compounds according to the invention have very good safener properties in the case of cereal plants and are thus able to effectively prevent herbicide damage without impairing the actual herbicidal action against weed grasses.

Mixtures of herbicides and the compounds according to the invention can thus be employed for selective combating of weeds.

Safener action of the compounds according to the invention. Damage to crop plants in %.

                  TABLE                                                            ______________________________________                                                         herbicidal action                                              Example No.       TA     HV                                                    ______________________________________                                         H.sub.1           85     80                                                    H.sub.1 + 16      40     --                                                    H.sub.1 + 17      45     --                                                    H.sub.1 + 26      40     --                                                    H.sub.1 + 27      40     --                                                    H.sub.1 + 30      50     --                                                    H.sub.1 + 34      40     --                                                    H.sub.1 + 45      20     35                                                    H.sub.1 + 46      30     40                                                    H.sub.1 + 47      30     --                                                    H.sub.1 + 48      30     --                                                    H.sub.1 + 49      --     50                                                    H.sub.1 + 50      30     --                                                    H.sub.1 + 51      --     50                                                    H.sub.1 + 54      --     50                                                    H.sub.1 + 65      30     --                                                    H.sub.1 + 84      40     55                                                    H.sub.1 + 96      30     --                                                    H.sub.1 + 98      50     --                                                    H.sub.1 + 99      --     40                                                    H.sub.1 + 128     --     50                                                    H.sub.1 + 136     20     --                                                    H.sub.1 + 153     30     65                                                    H.sub.1 + 154     40     --                                                    H.sub.1 + 164     40     --                                                    H.sub.1 + 178     50     --                                                    H.sub.1 + 201     30     --                                                    H.sub.1 + 204     40     35                                                    H.sub.1 + 205     50     30                                                    H.sub.1 + 209     50     --                                                    H.sub.1 + 210     35     --                                                    H.sub.1 + 211     40     55                                                    H.sub.1 + 218     --     40                                                    H.sub.1 + 219     35     --                                                    H.sub.1 + 220     50     --                                                    H.sub.1 + 237     40     --                                                    H.sub.1 + 238     30     --                                                    H.sub.1 + 239     50     --                                                    H.sub.1 + 240     50     --                                                    H.sub.1 + 246     40     30                                                    H.sub.1 + 251     30     --                                                    H.sub.1 + 252     30     40                                                    H.sub.1 + 259     30     --                                                    H.sub.1 + 260     40     50                                                    H.sub.1 + 261     50     40                                                    H.sub.1 + 262     40     45                                                    H.sub.1 + 265     --     50                                                    H.sub.1 + 269     --     50                                                    H.sub.1 + 270     60     50                                                    H.sub.1 + 271     20     45                                                    H.sub.1 + 279     50     --                                                    H.sub.1 + 280     50     --                                                    H.sub.1 + 286     10     40                                                    H.sub.1 + 288     30     40                                                    H.sub.1 + 289     40     --                                                    H.sub.1 + 293     50     --                                                    H.sub.1 + 294     40     --                                                    H.sub.1 + 295     50     --                                                    H.sub.1 + 298     --     50                                                    H.sub.1 + 311     40     40                                                    H.sub.1 + 312     40     50                                                    H.sub.1 + 314     40     --                                                    H.sub.1 + 331     40     --                                                    H.sub.1 + 334     20     50                                                    H.sub.1 + 340     40     --                                                    H.sub.1 + 342     40     --                                                    H.sub.1 + 343     40     --                                                    H.sub.1 + 344     40     --                                                    H.sub.1 + 346     40     --                                                    H.sub.1 + 347     40     --                                                    H.sub.1 + 348     30     --                                                    H.sub.1 + 349     20     50                                                    H.sub.1 + 350     40     50                                                    H.sub.1 + 352     --     50                                                    H.sub.1 + 353     40     --                                                    H.sub.1 + 371     40     35                                                    H.sub.1 + 373     45     60                                                    H.sub.1 + 375     35     --                                                    H.sub.1 + 389     20     50                                                    H.sub.1 + 391     40     --                                                    H.sub.1 + 394     40     --                                                    H.sub.1 + 395     40     --                                                    H.sub.1 + 407     40     35                                                    H.sub.1 + 408     35     35                                                    H.sub.1 + 409     40     40                                                    H.sub.1 + 410     60     50                                                    H.sub.1 + 415     40     --                                                    H.sub.1 + 416     30     60                                                    H.sub.1 + 417     40     40                                                    ______________________________________                                    

Explanations and Abbreviations

Dosages of the mixture components:

H₁ : 2.0 kg of a.i./ha (TA) 0.3 kg of a.i./ha (HV).

Safener: 2.5 kg of a.i./ha.

H₁ =fenoxaprop-ethyl

TA=Triticum aestivum

HV=Hordeum vulgare 

We claim:
 1. A process for preparing a compound of formula I, or a salt or quaternization product thereof, ##STR40## wherein: R, in each case independently of one another, is halogen, hydroxyl, cyano, nitro, (C₁ -C₄)alkyl, halo(C₁ -C₄)alkyl, (C₁ -C₄)alkoxy(C₁ -C₄)alkyl, (C₁ -C₆)alkoxy, (C₁ -C₆)alkoxy(C₁ -C₄)alkoxy, halo(C₁ -C₆)alkoxy, (C₁ -C₄)alkylthio, halo(C₁ -C₄)alkylthio, carboxyl, (C₁ -C₄)alkoxycarbonyl, (C₁ -C₄)alkylsulfinyl, halo(C₁ -C₄)alkylsulfinyl, (C₁ -C₄)alkylsulfonyl, halo(C₁ -C₄)alkylsulfonyl, (C₁ -C₄)alkylsulfonyloxy, halo(C₁ -C₄)alkylsulfonyloxy, phenyl, halophenyl, phenoxy or halophenoxy;X is oriented in the 3- or 5- position of the pyrazole ring and is a radical of formula ##STR41## Y is hydrogen; R¹ is hydrogen, (C₁ -C₁₂)alkyl, (C₁ -C₁₂)alkyl which is monosubstituted or polysubstituted by halogen and/or monosubstituted or disubstituted by hydroxyl, (C₁ -C₆)alkoxy, (C₁ -C₄)alkoxy(C₁ -C₄)alkoxy, (C₁ -C₄)alkylthio, (C₁ -C₄)alkylsulfinyl, (C₁ -C₄)-alkylsulfonyl, mono- or di-(C₁ -C₄ -alkyl)amino, cyano, aminocarbonyl, (C₁ -C₄)alkylcarbonyl, (C₁ -C₄ -alkoxy)carbonyl, cyclo(C₃ -C₇)alkyl, tri(C₁ -C₄)alkylsilyl, benzyloxy, benzyloxyethoxy, phenyl, phenyl which is substituted by halogen or (C₁ -C₄)alkyl, phenoxy or phenylthio which both are unsubstituted or substituted by halogen or (C₁ -C₄)alkyl; or is (C₃ -C₆)alkenyl, halo(C₃ -C₆)alkenyl, cyclo(C₃ -C₇)alkyl which is unsubstituted or substituted by halogen or (C₁ -C₄)alkyl; cyclo(C₅ -C₇)alkenyl which is unsubstituted or substituted by halogen or (C₁ -C₄)alkyl; or is (C₃ -C₆)alkynyl, 1,2-epoxyprop-3-yl, phenyl or phenyl which is monosubstituted or disubstituted by halogen, nitro, cyano, (C₁ -C₄)alkyl, (C₁ -C₄ -alkoxy)carbonyl or (C₁ -C₄)alkoxy; or an agriculturally acceptable cation; n is an integer from 0 to 5;which process comprises reacting a compound of formula II ##STR42## wherein R¹⁴ is (C₁ -C₆)alkyl and R¹ has the above-mentioned meaning, with a compound of formula III ##STR43## wherein R and n have the above-mentioned meanings, to obtain a compound of formula Ia or a compound of formula Ib ##STR44##
 2. A process as claimed in claim 1, wherein the reaction of the formula II compound with the formula III compound is carried out at 0° C. to 120° C. in an organic solvent.
 3. A process as claimed in claim 2, wherein the solvent is selected from the group consisting of alcohols, organic acids, chlorinated hydrocarbons and aromatic solvents.
 4. A process as claimed in claim 3, wherein the solvent is selected from the group consisting of ethanol, methanol, glacial acetic acid, dichloromethane, dichloroethane, toluene and xylene.
 5. A process as claimed in claim 2, wherein the reaction is carried out in the presence of an organic acid.
 6. A process as claimed in claim 5, wherein the organic acid is p-toluene sulfonic acid or methane sulfonic acid.
 7. A process as claimed in claim 1, wherein R is 3-trifluoromethyl, n is 1, X is 5-cyclohexyloxy-carbonyl and m is
 0. 8. A process as claimed in claim 1, wherein R_(n) is 2,4-dichloro, X is 5-carboxy, Y is 4-bromo and m is 0 or
 1. 9. A process as in claim 1, wherein R_(n) is 2,4-dichloro and X is 3-carboxy.
 10. A process as in claim 1, wherein R_(n) is 2,4-dichloro and X is 3-ethoxycarbonyl. 